Encountered an unexpected error when attempting to resolve tag helper directive '@addTagHelper' with
project.json配置:{
"version":"1.0.0-*",
"compilationOptions":{
"emitEntryPoint":true
},
"dependencies":{
"Microsoft.AspNet.Diagnostics":"1.0.0-rc2-16303",
"Microsoft.AspNet.IISPlatformHandler":"1.0.0-r